Fix: mirrored parenthesis in math. Added tools/incubator.html.

README.md

@@ -1,4 +1,4 @@
-## Babel 3.52.2245
+## Babel 3.52.2247
 
 This package manages culturally-determined typographical (and other)
 rules, and hyphenation patterns for a wide range of languages.  Many
@@ -51,6 +51,7 @@ respective authors.
        * Fixes:
          - Not really a fix, but I started working on `picture` with
            bidi in lua.
+         - Parenthesis sometimes mirrored at the end of math.
 
 3.52   2020-12-16
        * WARNING. If you need the style for Afrikaans you must update

babel.dtx

@@ -31,7 +31,7 @@
 %
 % \iffalse
 %<*filedriver>
-\ProvidesFile{babel.dtx}[2021/01/07 v3.52.2245 The Babel package]
+\ProvidesFile{babel.dtx}[2021/01/09 v3.52.2247 The Babel package]
 \documentclass{ltxdoc}
 \GetFileInfo{babel.dtx}
 \usepackage{fontspec}
@@ -784,16 +784,16 @@ to be |\begin{otherlanguage*}|\marg{language1}, and so on. Note
 |\|\m{tag1} is also allowed, but remember to set it locally inside a
 group.
 
-% \begin{warning}
-%   There is a clear drawback in this feature, namely, the ‘prefix’
-%   |\text...| is heavily overloaded in \LaTeX{} and there can some
-%   conflicts with existing macros (|\textlatin|, |\textbar|,
-%   |\textit|, |\textcolor| and so on). The same applies to
-%   environments, because |arabic| conflicts with |\arabic|. Except if
-%   there is a reason for this ‘syntactical sugar’, the best option is
-%   to stick to the default selectors or to define your own
-%   alternatives.
-% \end{warning}
+\begin{warning}
+  There is a clear drawback in this feature, namely, the ‘prefix’
+  |\text...| is heavily overloaded in \LaTeX{} and there can some
+  conflicts with existing macros (|\textlatin|, |\textbar|,
+  |\textit|, |\textcolor| and so on). The same applies to
+  environments, because |arabic| conflicts with |\arabic|. Except if
+  there is a reason for this ‘syntactical sugar’, the best option is
+  to stick to the default selectors or to define your own
+  alternatives.
+\end{warning}
 
 \begin{example}
 With
@@ -4854,8 +4854,8 @@ help from Bernd Raichle, for which I am grateful.
 % \section{Tools}
 %
 %    \begin{macrocode}
-%<<version=3.52.2245>>
-%<<date=2021/01/07>>
+%<<version=3.52.2247>>
+%<<date=2021/01/09>>
 %    \end{macrocode}
 %
 % \textbf{Do not use the following macros in \texttt{ldf} files. They
@@ -20963,7 +20963,10 @@ function Babel.bidi(head, ispar, hdir)
       first_et = nil
       has_en = false
     end
-
+
+    -- Force mathdir in math (currently works as expected with 'l')
+    if inmath then d = ('TRT' == tex.mathdir) and 'r' or 'l' end
+
     if d then
       if d == 'al' then
         d = 'r'

babel.ins

@@ -26,7 +26,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 %%
-\def\filedate{2021/01/07}
+\def\filedate{2021/01/09}
 \def\batchfile{babel.ins}
 \input docstrip.tex
 

bbcompat.dtx

@@ -30,7 +30,7 @@
 %
 % \iffalse
 %<*dtx>
-\ProvidesFile{bbcompat.dtx}[2021/01/07 v3.52.2245]
+\ProvidesFile{bbcompat.dtx}[2021/01/09 v3.52.2247]
 %</dtx>
 %
 %% File 'bbcompat.dtx'

samples/lua-hebrew-secenum.tex

@@ -6,21 +6,16 @@
 \usepackage[
   nil,
   bidi=basic,
-  layout=tabular % counters % not for hebrew
+  layout=tabular % Don't set 'counters' for hebrew
   ]{babel}
 
-\babelprovide[import,main]{hebrew}
+\babelprovide[import, main, alph=letters]{hebrew}
 
 \babelfont{rm}{Libertinus Serif}
 \babelfont{sf}[Scale=MatchLowercase]{FreeSans}
 
 \babeltags{lr = nil, he = hebrew}
 
-% A quick dirty trick for Hebrew alph counters:
-\makeatletter
-\def\@alph#1{\char\numexpr1487+#1\relax}
-\makeatother
-
 % See below:
 \newcommand\refrange[2]{\babelsublr{\texthe{\ref{#1}}-\texthe{\ref{#2}}}} 
 
@@ -72,7 +67,7 @@ \section{הקשר בין עבודה לאנרגיה קינטית}
 
   \item מסת כבידה אקטיבית: מדד לכוח הכבידה
   שהגוף מפעיל על גופים אחרים.
-\begin{enumerate}[\theenumi a,noitemsep]
+\begin{enumerate}[\theenumi a),noitemsep]
   \item מסת כבידה פסיבית: מדד להשפעה של כוח הכבידה על הגוף.
 \end{enumerate}
 \end{enumerate}

samples/lua-hebrew.tex

@@ -153,8 +153,9 @@ \section{Psalms}
 
 Compare with \texttt{http://tanach.us/Tanach.xml?Ps1:1-1:6}.
 Cantillation marks (the second paragraph) are wrong with both
-\textsf{xetex} and \textsf{luatex}. The font is FreeSerif. Depending on
-the font and the engine, the rendering may be better or worse.
+\textsf{xetex} and \textsf{luatex} (any renderer). The font is
+FreeSerif. Depending on the font and the engine, the rendering may be
+better or worse.
 
 \bigskip